Carbon Sub Index breakdown

Date of Evaluation Date of Eval. Index Trait PTA *Carbon Cost (€) Contribution Contrib.
PTA * Carbon Cost
May 2025 Milk Sub Index 2.74
Milk (kg) -31.00 -0.014 0.43
Fat (kg) -1.78 -0.375 0.67
Prot (kg) -3.71 -0.441 1.64
Fertility Sub Index 3.23
Calving Interval (days) -1.42 -1.459 2.07
Survival (%) 1.04 1.117 1.16
Calving Sub Index -1.15
Gestation Length (days) 1.25 -0.919 -1.15
Beef Sub Index -3.50
Carcass Weight (kg) 3.10 -0.528 -1.64
Age of Slaughter (days) 4.33 -0.432 -1.87
Maintenance Sub Index Maint. Sub Index 2.30
Live WT (kg) -7.50 -0.307 2.30
Total Carbon Sub Index 3.61

* Based on an €80/tonne carbon price